Date: Thu, 11 Feb 2016 13:41:21 +0900 (JST) From: Mori Hiroki <yamori813@yahoo.co.jp> To: "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org> Subject: about if_arge.c Message-ID: <316967.63047.qm@web101710.mail.ssk.yahoo.co.jp>
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I make AR2315 ethercode. I refer=A0if_arge.c and I have idea.=0A=0ACurrent = code is here.=0A=0A=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=A0if (sc->arge_hw_flags = & ARGE_HW_FLG_RX_DESC_ALIGN_4BYTE)=0A=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0 arge_fixup_rx(m);=0A=0A=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 m->m_pkt= hdr.rcvif =3D ifp;=0A=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 /* Skip 4 bytes of CRC= */=0A=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 m->m_pkthdr.len =3D m->m_len =3D pack= et_len - ETHER_CRC_LEN;=0A=0A=0AI think better set m_len before arge_fixup_= rx().=A0=0AThis is only copy packet length at arge_fixup_rx().=0A=0A=A0 =A0= =A0 =A0 =A0 =A0 =A0 =A0 /* Skip 4 bytes of CRC */=0A=A0 =A0 =A0 =A0 =A0 = =A0 =A0 =A0=A0m->m_pkthdr.len =3D m->m_len =3D packet_len - ETHER_CRC_LEN; = =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 if (sc->arg= e_hw_flags & ARGE_HW_FLG_RX_DESC_ALIGN_4BYTE)=0A=A0 =A0 =A0 =A0 =A0 =A0 =A0= =A0 =A0 =A0 =A0 =A0=A0arge_fixup_rx(m);=0A=0A=A0 =A0 =A0 =A0 =A0 =A0 =A0 = =A0=A0m->m_pkthdr.rcvif =3D ifp;=0A=0AAnd=0A=0A=A0 =A0 =A0 =A0=A0if (sc->ar= ge_hw_flags & ARGE_HW_FLG_RX_DESC_ALIGN_4BYTE)=0A=A0 =A0 =A0 =A0 =A0 =A0 = =A0 =A0 m_adj(m, sizeof(uint64_t));=0A=0AI think not need uint64_t(8byte) o= nly tcp header 2 byte(ETHER_ALIGN)=A0shift.=A0=0A=0A=A0 =A0 =A0 =A0 if (sc-= >arge_hw_flags & ARGE_HW_FLG_RX_DESC_ALIGN_4BYTE)=0A=A0 =A0 =A0 =A0 =A0 =A0= =A0 =A0=A0m_adj(m, sizeof(uint32_t));=0A=0ARegards.=0A=0AHiroki Mori=0A
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